1 files changed, 93 insertions, 0 deletions
diff --git a/devel/bmake/files/mk/libs.mk b/devel/bmake/files/mk/libs.mk
new file mode 100644
index 00000000000..5479d992c5b
--- /dev/null
+++ b/devel/bmake/files/mk/libs.mk
@@ -0,0 +1,93 @@
+# $Id: libs.mk,v 1.1.1.1 2020/05/24 05:35:53 nia Exp $
+#
+#	@(#) Copyright (c) 2006, Simon J. Gerraty
+#
+#	This file is provided in the hope that it will
+#	be of use.  There is absolutely NO WARRANTY.
+#	Permission to copy, redistribute or otherwise
+#	use this file is hereby granted provided that 
+#	the above copyright notice and this notice are
+#	left intact. 
+#      
+#	Please send copies of changes and bug-fixes to:
+#	sjg@crufty.net
+#
+
+.MAIN: all
+
+.if defined(LIBS)
+
+# In meta mode, we can capture dependenices for _one_ of the progs.
+# if makefile doesn't nominate one, we use the first.
+.ifndef UPDATE_DEPENDFILE_LIB
+UPDATE_DEPENDFILE_LIB = ${LIBS:[1]}
+.export UPDATE_DEPENDFILE_LIB
+.endif
+
+.ifndef LIB
+# They may have asked us to build just one
+.for t in ${LIBS:R:T:S,^lib,,}
+.if make(lib$t)
+LIB?= $t
+lib$t: all
+.endif
+.endfor
+.endif
+
+.if defined(LIB)
+# just one of many
+LIB_VARS += \
+	LIBDIR \
+	CFLAGS \
+	COPTS \
+	CPPFLAGS \
+	CXXFLAGS \
+	DPADD \
+	DPLIBS \
+	LDADD \
+	LDFLAGS \
+	MAN \
+	SRCS
+
+.for v in ${LIB_VARS:O:u}
+.if defined(${v}.${LIB}) || defined(${v}_${LIB})
+$v += ${${v}_${LIB}:U${${v}.${LIB}}}
+.endif
+.endfor
+
+# for meta mode, there can be only one!
+.if ${LIB} == ${UPDATE_DEPENDFILE_LIB:Uno}
+UPDATE_DEPENDFILE ?= yes
+.endif
+UPDATE_DEPENDFILE ?= NO
+
+# ensure that we don't clobber each other's dependencies
+DEPENDFILE?= .depend.${LIB}
+# lib.mk will do the rest
+.else
+all: ${LIBS:S,^lib,,:@t@lib$t.a@} .MAKE
+
+# We cannot capture dependencies for meta mode here
+UPDATE_DEPENDFILE = NO
+# nor can we safely run in parallel.
+.NOTPARALLEL:
+.endif
+.endif
+
+# handle being called [bsd.]libs.mk
+.include <${.PARSEFILE:S,libs,lib,}>
+
+.ifndef LIB
+# tell libs.mk we might want to install things
+LIBS_TARGETS+= cleandepend cleandir cleanobj depend install
+
+.for b in ${LIBS:R:T:S,^lib,,}
+lib$b.a: ${SRCS} ${DPADD} ${SRCS_lib$b} ${DPADD_lib$b} 
+	(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b)
+
+.for t in ${LIBS_TARGETS:O:u}
+$b.$t: .PHONY .MAKE
+	(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} LIB=$b ${@:E})
+.endfor
+.endfor
+.endif